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Valve springs
#1070135
09/06/11 02:23 AM
09/06/11 02:23 AM
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Joined: Apr 2010
Posts: 93 CA
mojavered
OP
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OP
member
Joined: Apr 2010
Posts: 93
CA
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Can valve springs be changed while heads are on engine in the car? Just curious.
71 Challenger RT 440 / 727 / 8.75
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Re: Valve springs
[Re: mojavered]
#1070139
09/06/11 11:47 AM
09/06/11 11:47 AM
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Joined: Oct 2003
Posts: 7,506 Az
Crizila
master
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master
Joined: Oct 2003
Posts: 7,506
Az
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You will need a tool to pump air in to the combustion chamber to keep the valves closed. I use the hose from my compression tester after removing the schrader valve from the spark plug end. I plug in the other end ( gauge end )in to shop air. The spring compressor in the pic is for stud mounted rockers. There is a similar tool for shaft mounted rockers. You can do one cylinder at a time ( intake and exhaust ) by setting that cylinder at TDC on the compression stroke. Once you have the cylinder you are working on at TDC and aired up, you will want to smack the valve spring retainers with a soft mallet ( rubber / plastic ) to loosen the keepers before you compress the springs.
Fastest 300
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Re: Valve springs
[Re: Cab_Burge]
#1070144
09/23/11 08:20 PM
09/23/11 08:20 PM
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Joined: Apr 2010
Posts: 93 CA
mojavered
OP
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OP
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Joined: Apr 2010
Posts: 93
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Thanks for all the part numbers!
Now, is there a way to know if the springs are not right for your setup?
71 Challenger RT 440 / 727 / 8.75
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